PARTICIPATIION FORMATS

Challenges

Challenges

Challenges

Challenges

Day One Ukraine operates across two formats: a 36-hour hackathon focused on prototype development, and a structured essay competition focused on policy design and systemic reform.

Day One Ukraine operates across two formats: a 36-hour hackathon focused on prototype development, and a structured essay competition focused on policy design and systemic reform.

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FOCUS AREAS

Day One Ukraine addresses cross-sector challenges critical to reconstruction and long-term European resilience.

Financial Infrastructure

Designing secure and transparent systems for reconstruction financing and cross-border coordination.

Energy and Hyperscalers

Ship updates smoothly without manual handoffs or coordination.

Digital Administration

Modernizing public services, identity systems, and institutional workflows for speed and accountability.

Cybersecurity

Protecting critical digital and infrastructure systems from hybrid threats and systemic vulnerabilities.

Education

Building talent pipelines and learning systems aligned with reconstruction and economic renewal.

Public Intelligence Systems

Designing data and decision-support systems that enhance institutional capacity and coordination.

FOCUS AREAS

Day One Ukraine addresses cross-sector challenges critical to reconstruction and long-term European resilience.

Day One Ukraine addresses cross-sector challenges critical to reconstruction and long-term European resilience.

Financial Infrastructure

Designing secure and transparent systems for reconstruction financing and cross-border coordination.

Energy and Hyperscalers

Ship updates smoothly without manual handoffs or coordination.

Digital Administration

Modernizing public services, identity systems, and institutional workflows for speed and accountability.

Cybersecurity

Protecting critical digital and infrastructure systems from hybrid threats and systemic vulnerabilities.

Education

Building talent pipelines and learning systems aligned with reconstruction and economic renewal.

Public Intelligence Systems

Designing data and decision-support systems that enhance institutional capacity and coordination.

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TIMELINE

ProgramRoadmap

Phase I

CHALLENGE FRAMING

march

All official challenge briefs are unveiled. Institutional partners publish structured problem statements across the different tracks.

Phase II

BUILDER INTAKE

March / April

Applications open for builders.

FINAL COHORT CONFIRMED

May

Applications close at the end of May.

Phase III

PREPARATION

Early june

Team matching, onboarding materials, and preparatory briefings.

MAIN EVENT

22–23 June 2026

Day One Ukraine — 36-hour sprint in Warsaw

TIME UNTIL EVENT

02months
27days
18hours
30minutes
53seconds

TIME UNTIL EVENT

02months
27days
18hours
30minutes
53seconds

register interest

Stay informed.
Follow Europe's next build!

register interest

Stay informed.
Follow Europe's next build!